Home / 992,949.40-1,489,424.10-615,035.80

Finding the Fourth Proportional to 992,949.40, 1,489,424.10 and 615,035.80

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Solution

The fourth proportional to 992,949.40, 1,489,424.10 and 615,035.80 is: 922,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,949.40 : 1,489,424.10 = 615,035.80 : x
  2. Step 2: Convert to fraction form
    992,949.40/1,489,424.10 = 615,035.80/x
  3. Step 3: Cross multiply
    992,949.40x = 1,489,424.10 × 615,035.80
  4. Step 4: Simplify right side
    992,949.40x = 916,049,142,882.78
  5. Step 5: Solve for x
    x = 916,049,142,882.78/992,949.40
  6. Step 6: Final answer
    x = 922,553.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.